Synthesis of ANSA-metallocene catalysts

Jordan, Richard F; Rodewald, Stephan; Diamond, Gary M

Title: Synthesis of ANSA-metallocene catalysts

Patent · Mon Jan 01 00:00:00 EST 1996

OSTI ID:870319

Jordan, Richard F ^[1]; Rodewald, Stephan ^[2]; Diamond, Gary M ^[1]

Iowa City, IA
Teddington, GB

A process of preparing in high yield ansa-metallocene complexes and rac-ansa-metallocene complexes by reacting an ansa-bis-cyclopentadiene compound with a metal amide complex.

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Research Organization:: University of Iowa

DOE Contract Number:: FG02-88ER13935

Assignee:: University of Iowa Research Foundation (Iowa City, IA)

Patent Number(s):: US 5495035

OSTI ID:: 870319

Country of Publication:: United States

Language:: English

References (18)

Bis-?-cyclopentadienyl-titan(IV)- und -zirkonium(IV)-amide Issleib, K.; B�tz, G. Zeitschrift f�r anorganische und allgemeine Chemie, Vol. 369, Issue 1-2 https://doi.org/10.1002/zaac.19693690112	journal	October 1969
Stereoselectivity in the synthesis of tetramethylethano-bridged 3,3′-di-tert-butyltitanocene dichloride Erickson, Mark S.; Fronczek, Frank R.; McLaughlin, Mark L. Journal of Organometallic Chemistry, Vol. 415, Issue 1 https://doi.org/10.1016/0022-328X(91)83282-9	journal	September 1991
Synthesis, structure, and properties of chiral titanium and zirconium complexes bearing biaryl strapped substituted cyclopentadienyl ligands Ellis, William W.; Hollis, T. Keith; Odenkirk, William Organometallics, Vol. 12, Issue 11 https://doi.org/10.1021/om00035a026	journal	November 1993
765. Metallo-organic compounds containing metal–nitrogen bonds. Part I. Some dialkylamino-derivatives of titanium and zirconium Bradley, D. C.; Thomas, I. M. J. Chem. Soc., Vol. 0, Issue 0 https://doi.org/10.1039/JR9600003857	journal	January 1960
Additions of chiral allyltitanocenes to aldehydes: diastereoselective synthesis of homoallylic alcohols with a recyclable chiral transition metal reagent Collins, Scott; Kuntz, Bradley A.; Hong, Yaping The Journal of Organic Chemistry, Vol. 54, Issue 17 https://doi.org/10.1021/jo00278a031	journal	August 1989
X-Ray structures of ethylenebis(tetrahydroindenyl)-titanium and -zirconium dichlorides: a revision Collins, Scott; Kuntz, Bradley A.; Taylor, Nicholas J. Journal of Organometallic Chemistry, Vol. 342, Issue 1 https://doi.org/10.1016/0022-328X(88)80041-X	journal	March 1988
ansa-Metallocene derivatives Wild, Ferdinand R. W. P.; Wasiucionek, Marek; Huttner, Gottfried Journal of Organometallic Chemistry, Vol. 288, Issue 1 https://doi.org/10.1016/0022-328X(85)80104-2	journal	June 1985
Synthesis and applications of chiral cyclopentadienylmetal complexes Halterman, Ronald L. Chemical Reviews, Vol. 92, Issue 5 https://doi.org/10.1021/cr00013a011	journal	July 1992
Amido-derivatives of metals and metalloids. Part VI. Reactions of titanium(IV), zirconium(IV), and hafnium(IV) amides with protic compounds Chandra, G.; Lappert, M. F. Journal of the Chemical Society A: Inorganic, Physical, Theoretical https://doi.org/10.1039/J19680001940	journal	January 1968
Metallocene/polypropylene structural relationships: Implications on polymerization and stereochemical control mechanisms Ewen, John A.; Elder, M. J.; Jones, R. L. Makromolekulare Chemie. Macromolecular Symposia, Vol. 48-49, Issue 1 https://doi.org/10.1002/masy.19910480121	journal	August 1991
The Influence of Aromatic Substituents on the Polymerization Behavior of Bridged Zirconocene Catalysts Spaleck, Walter; Kueber, Frank; Winter, Andreas Organometallics, Vol. 13, Issue 3 https://doi.org/10.1021/om00015a032	journal	March 1994
ansa-Zirconocene Polymerization Catalysts with Anelated Ring Ligands - Effects on Catalytic Activity and Polymer Chain Length Stehling, Udo; Diebold, Josef; Kirsten, Robin Organometallics, Vol. 13, Issue 3 https://doi.org/10.1021/om00015a033	journal	March 1994
Synthesis of pure racemic isomers of ansa-titanocene dichlorides: conformational preferences are determined by substitution patterns on the cyclopentadienyl rings Collins, Scott; Hong, Yaping; Ramachandran, Ravindranath Organometallics, Vol. 10, Issue 7 https://doi.org/10.1021/om00053a043	journal	July 1991
Efficient new synthetic route to bidentate, monomeric cyclopentadienyl-amide complexes of Group 4 transition metals: synthesis and characterization of the zirconium and hafnium complexes [[.eta.5:.sigma.-C5H4(CH2)3NMe]MX2(NHMe2)] (X = Cl, I, M = Zr; X = I, M = Hf) and [[.eta.5:.sigma.-C5H4(CH2)3NMe]ZrX2] (X = NMe2, CH2Ph, CH2SiMe3, BH4) and molecular structure of [[.eta.5:.sigma.-C5H4(CH2)3NMe]ZrCl(CH2Ph)]2 Hughes, Andrew K.; Meetsma, Auke; Teuben, Jan H. Organometallics, Vol. 12, Issue 5 https://doi.org/10.1021/om00029a058	journal	May 1993
ansa-Metallocene derivatives Wiesenfeldt, Helga; Reinmuth, Annette; Barsties, Elke Journal of Organometallic Chemistry, Vol. 369, Issue 3 https://doi.org/10.1016/0022-328X(89)85186-1	journal	July 1989
Standardized polymerizations of ethylene and propene with bridged and unbridged metallocene derivatives: A comparison Kaminsky, Walter; Engehausen, Rüdiger; Zoumis, Konstantin Die Makromolekulare Chemie, Vol. 193, Issue 7, p. 1643-1651 https://doi.org/10.1002/macp.1992.021930708	journal	July 1992
Syntheses of [ethylene-1,2-bis(.eta.5-4,5,6,7-tetrahydro-1-indenyl)]zirconium and -hafnium hydride complexes. Improved syntheses of the corresponding dichlorides Grossman, Robert B.; Doyle, Ruth Ann; Buchwald, Stephen L. Organometallics, Vol. 10, Issue 5 https://doi.org/10.1021/om00051a047	journal	May 1991
Complexes cyclopentadienyles de l'uranium(IV) Dormond, A.; Duval-Huet, C.; Tirouflet, J. Journal of Organometallic Chemistry, Vol. 210, Issue 1 https://doi.org/10.1016/S0022-328X(00)86649-8	journal	April 1981

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Related Subjects

synthesis
ansa-metallocene
catalysts
process
preparing
yield
complexes
rac-ansa-metallocene
reacting
ansa-bis-cyclopentadiene
compound
metal
amide
complex
metallocene catalyst
metal amide
metallocene complex
metallocene complexes
ansa-metallocene complexes
amide complex
/999/

Title: Synthesis of ANSA-metallocene catalysts

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References (18)

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